So it turns out that Earthrise Prime has shared parts with Siege. TF Wiki refers to it as "an all-new cartoon-accurate, Voyager sized mold with some parts reused from his Siege toy." Similar to how that Ectotron figure is not a retool of CW Hot Spot or Onslaught, but shares some parts with them.


https://mobile.twitter.com/Drivaaar/...407938560?s=20